hypanthium cup-shaped, 3-4 mm, minutely tuberculate, margin slightly undulate.

seeds densely tuberculate, stellate pubescent; inflorescence a 3--10 cm raceme.

种子浓密具瘤，星状短柔毛；花序3--10厘米总状花序。

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2 (1) leaves and inflorescence axis hispidulous, or leaf blades densely tuberculate-hairy.

叶和花序轴具短硬毛，浓密具瘤有毛的或叶片。

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connective long extended at base, curved, apex 2-tuberculate.

药隔长延长在基部，弄弯，先端2。

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sepals uniform in size; leaf blade adaxially not tuberculate.

萼片大小一致；叶片正面不具瘤。

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shorter stamens with connective not extended, 2-tuberculate at base.

短雄蕊具药隔不延长，2具瘤在基部。

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seeds dark brown, orbicular, ca. 1 mm, smooth or tuberculate, with membranous wing.

种子暗褐色，圆形，约1毫米，平滑或具瘤，具膜质翅。

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seeds numerous, cuneate, 3-sided, densely tuberculate.

种子多数，楔形，3边，密被具瘤。

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seeds brown-red, oblong-globose, slightly compressed, ca. 1 mm, tuberculate.

种子棕色红，长圆形球形，稍压扁，约1毫米，具瘤。

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branchlets with prickles, becoming tuberculate on old branches.

小枝具皮刺，在老枝上成为具瘤。

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stems rooting at nodes, becoming tuberculate.

茎节上生根，成为具瘤。

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stem stout, purplish-tinged, glabrous or tuberculate at nodes.

茎坚固，略带紫色微染，无毛的或具瘤在节上。

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scale yellow at first, orange when flowering, irregularly fissured, tuberculate, appressed hairy.

最初黄的鳞片，开花时橙，不规则裂开，具瘤，贴伏有毛。

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nutlets ovoid to oblong, glabrous or sparsely hairy, tuberculate or smooth.

小坚果卵圆形的到长圆形，无毛或者疏生毛，具瘤或平滑。

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stems rooting at nodes, clearly ridged, usually tuberculate.

茎节上生根，明显使成脊状，通常具瘤。

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connective abaxially with a short basal spur, adaxially slightly inflated tuberculate.

药隔背面具一短基生距，正面稍膨大具瘤。

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longer stamens with anthers oblong to linear-oblong, base abaxially 2-tuberculate and abaxially spurred or not, apex usually beaked.

长的雄蕊具花药长圆形到线形长圆形，基部背面具2瘤和背面的距与否，先端通常具喙的。

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seeds numerous, cuneate, small, glabrous or small tuberculate.

种子多数，楔形，小，无毛或小的具瘤。

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leaves broadly ovate, not tuberculate; female flowers solitary or paired.

宽卵形的叶，不具瘤；雌花单生或成对。

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seeds light brown, compressed globose, tuberculate.

浅褐色的种子，扁球状，具瘤。

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fruit medium to large elongated conical, tuberculate , light green, flavor good.

果实中等大，长圆锥形，块状，浅绿色，风味好。

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